package com.janj.service;

import com.janj.bean.Student;

import java.util.HashMap;
import java.util.List;

//定义接口
public interface StudentService {

        //查询学生,查询所有的学生
        public abstract List<Student> selectAll();


    //查询学生,多条件查询
    public abstract List<Student> selectMoreFactorDiffer(HashMap<String,String> map);

}



